Fountain pen



E. HUGETZ FOUNTAIN PEN Jan. 22, 1935.

Filed Feb. 28, 1933 lill lllllllllllllllllllllllllll 1 INVENTOR Y 'd/ard fr ATTORNEY PatentedJan. 22, 1935 i I UNITED STATES PATENT oFFicE 1,988,623 FOUNTAIN lEN Y Edward Hugetz, New York, N. Y. Application February 28, 1933, Serial No. 658,892 2 Claims. (Cl. 1Z0-46) This invention relates to improvements in its upper end for a limited distance into the fountain-pens, as they are for instance deupper portion 15 of the ink sac, as at 20. scribed in my Patent No. 1,918,844 issued July A spring 21 is arranged as shown in the upper 18, 1933, of which this is a division in part. part of the barrel and a pressure plate 22 under It is one of the objects of this invention to the action of said spring and av pressure lever 5 provide a fountain-pen comprising a one piece 23 pivoted intermediate of Aits ends, as at 24 barrel containing an ink sac filling the lentire serves to compress the upper portion l5 of the inner space of the barrel and having a subink sac, as shown in Figure 2 and the upper stantially circular circumferential restricted end of the ilexible air tube. portion intermediate its ends to provide an up- In operation on the release of vthe pressure 10 per and a lower portion, while an air tube inv the ink sacsucks up the ink which operation its lower portion which, if itis flexible, may is repeated until the sac is suiciently lled, extend partly also into its upper portion, the and it will be clear that the inflated ink sac is restricted portion of the inner sac to be comof such comparatively large diameter particupressed by a lever acting upon a spring actuated larly at its lower portion yas to fill out the entire pressure plate; thus the repeated operation' of space of the inside of the fountain pen barrel the lever and pressure plate will fill the sac so and thus I create the largest possible space for as to occupy, particularly with its lower portion the ink to hold a quantity 0f ink surpassing the entire inner space of the fountain-pen barany quantity of ink which can be carried by rel to hold a quantity of ink surpassing any fountain pen barrels of equal capacity or the 20 quantity of ink which can be carried by barrels Samesize. l -v of equal or the same size of fountain pen barrel.y It Will be understood that I have described It Wm be understood that the pressure plate and shown the preferred forms of my invention may be operated by other means than a lat- ,only as a iwf examples 0f the I iany Possible erally displaceable lever, as for instance by a .gigs Itnis'raclu cclniucemhmitmsn and 25 eu ans eriacome button at the upper end of the barrel or by Within the scope of the appended claims withother suitable means. f

out departure from the spirit of my invention These and other obJects and advantages of -and the principles involved. l

my invention will become more fully known as the Having thus described my invention what I 30 description proceeds and will then be Specificlaim as new and desire to secure by Letters cally deiined in the appended claims. patent is,

I n the accompanying drawing forming a ma' 1. A fountain pen including its feed and comtellal Pari 0f this disclosure: lprisingv an ink `sac in its barrel having a sub- F12. 1 1s a longitll nal sotlonai VIEW 0f a stantially circular circumferential restricted porv .35 fOilntafin Den COIISIUGE. according to my intion intermediate its ends, a lever actuated vention. pressure plate shorter than the ink sac', and an Fig. 2 is 2' View similar t0 Figure 1 With the air tube within said ink sac said ink sac adapted ink sac compressed. to be engaged by said pressure plate upon the 40 As illustrated the pen consists of one piece operation of its lever.

barrel 10, into the lower part of which the ink 2. A fountain pen including its feed and comfeed 1l is inserted carrying the writing pen 12. prising an ink sac in its barrel, restricted inter- The ink sac 13 is provided about its middle mediate its ends to form two comparatively with a restricted part 14 so as to form an upper large ink receiving chambers, a pressure plate portion 15 and a comparatively larger lower and lever to operato the Sams, said Pressure portion 16. plate engaging one of the chambers of the ink An air tube 17, preferably of a flexible matesac, and a flexible air tube extending beneath rial is slipped at its lower end over the extension said pressure plate. 18 of the ink feed 11 as at 19, and extends with EDWARD HUGETZ. 

